Reinhold Konstantin Svento (until 1938 Sventorzetsky, July 24, 1881, St. Petersburg, Russian Empire - March 30, 1973 Lappeenranta) was a Finnish politician who served as a speaker of the Finnish Social Democratic Party between 1922 and 1945 and MP from the Finnish People's Democratic League 1945-1948, 1944-1948 as II Foreign Minister in three Governments and 1948-1951 as Envoy of Finland to Bern. Svento, also a member of the Helsinki City Council, also acted as a five-times electoral in presidential elections.